diff --git a/tests/test_semchunk.py b/tests/test_semchunk.py
index 37127c2..46eac80 100644
--- a/tests/test_semchunk.py
+++ b/tests/test_semchunk.py
@@ -28,4 +28,7 @@ def test_chunk() -> None:
             
             # Test that recombining lowercased chunks stripped of whitespace yields the original text.
             lowercased_no_whitespace = ''.join(sample.lower().split())
-            assert ''.join(semchunk.chunk(lowercased_no_whitespace, chunk_size, _token_counter)) == lowercased_no_whitespace
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+            assert ''.join(semchunk.chunk(lowercased_no_whitespace, chunk_size, _token_counter)) == lowercased_no_whitespace
+    
+    # Test a string where tabs must be used as splitters (to increase code coverage).
+    assert semchunk.chunk('ThisIs\tATest.', 4, _token_counter) == ['ThisIs', 'ATest.']
\ No newline at end of file